Java FontMetrics.getStringBounds方法代码示例

import java.awt.FontMetrics; //导入方法依赖的package包/类
@SuppressWarnings("empty-statement")
private int resizePane (String text, JList list, int lastWidth) {
    if (text == null) {
        text = ""; //NOI18N
    }
    int width = summaryView.getMaster().getComponent().getWidth();
    if (width > 0 && width != lastWidth) {
        String[] rows = text.split("\n"); //NOI18N
        FontMetrics fm = list.getFontMetrics(list.getFont());
        int lines = 0;
        for (String row : rows) {
            Rectangle2D rect = fm.getStringBounds(row, revisionCell.getGraphics());
            lines += (int) (rect.getWidth() / (width - 80) + 1);
        }
        int ph = fm.getHeight() * (lines + 1) + 4;
        revisionCell.setPreferredSize(new Dimension(width - 50 - ICON_COLLAPSED.getIconWidth(), ph));
        setPreferredSize(revisionCell.getPreferredSize());
    }
    return width;
}
 

import java.awt.FontMetrics; //导入方法依赖的package包/类
private static BufferedImage drawTileName(BufferedImage image, String name) {
	BufferedImage i2 = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
	Graphics2D g2 = i2.createGraphics();
	g2.drawImage(image, null, 0, 0);
	g2.setColor(Color.red);
	g2.setStroke(new BasicStroke(4));
	g2.drawRect(8, 8, image.getWidth() - 8, image.getHeight() - 8);

	g2.setColor(Color.RED);
	g2.setFont(g2.getFont().deriveFont(Font.BOLD).deriveFont(13f));
	FontMetrics fm = g2.getFontMetrics();
	String[] parts = name.split("/");
	for (int i = 0; i < parts.length; i++) {
		String s = i == parts.length - 1 ? parts[i] : parts[i] + "/"; 
		int x = 40 + i * 5;
		int y = 40 + i * (fm.getHeight() + 5);
		Rectangle2D rect = fm.getStringBounds(s, g2);
		g2.setColor(Color.white);
		g2.fillRect(x, y - fm.getAscent(), (int)rect.getWidth(), fm.getHeight());
		g2.setColor(Color.red);
		g2.drawString(s, x, y);
	}
	return i2;
}
 

import java.awt.FontMetrics; //导入方法依赖的package包/类
private static BufferedImage drawTileName(BufferedImage image, String name) {
	BufferedImage i2 = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
	Graphics2D g2 = i2.createGraphics();
	g2.drawImage(image, null, 0, 0);
	g2.setColor(Color.red);
	g2.setStroke(new BasicStroke(4));
	g2.drawRect(8, 8, image.getWidth() - 8, image.getHeight() - 8);

	g2.setColor(Color.RED);
	g2.setFont(g2.getFont().deriveFont(Font.BOLD).deriveFont(13f));
	FontMetrics fm = g2.getFontMetrics();
	String[] parts = name.split("/");
	for (int i = 0; i < parts.length; i++) {
		String s = i == parts.length - 1 ? parts[i] : parts[i] + "/";
		int x = 40 + i * 5;
		int y = 40 + i * (fm.getHeight() + 5);
		Rectangle2D rect = fm.getStringBounds(s, g2);
		g2.setColor(Color.white);
		g2.fillRect(x, y - fm.getAscent(), (int)rect.getWidth(), fm.getHeight());
		g2.setColor(Color.red);
		g2.drawString(s, x, y);
	}
	return i2;
}
 

import java.awt.FontMetrics; //导入方法依赖的package包/类
/**
 * 绘制文字
 */
private void drawString(Point st, String str, Color c, Graphics g, int size) {
    g.setFont(new Font("宋体", Font.PLAIN, size));
    g.setColor(c);
    FontMetrics fm = g.getFontMetrics();
    Rectangle2D r2d = fm.getStringBounds(str, g);
    g.drawString(str, st.x, st.y + (int) r2d.getHeight());
}
 

import java.awt.FontMetrics; //导入方法依赖的package包/类
private boolean checkLinesWidth(Graphics g) {
    FontMetrics fm = g.getFontMetrics(getLinesFont());
    Rectangle2D rect = fm.getStringBounds(Integer.toString(linesCount), g);
    linesWidth = (int) rect.getWidth() + LINES_BORDER_WIDTH * 2;
    if (linesWidth != oldLinesWidth) {
        oldLinesWidth = linesWidth;
        revalidate();
        repaint();
        return true;
    }
    return false;
}
 

import java.awt.FontMetrics; //导入方法依赖的package包/类
/**
 * Draws the selected value
 * @param selectedValue the selected value to draw
 * @param g the graphics object
 * @param width the total chart width
 * @param height the total chart height
 * @param maxx the maximum X value (simulation time)
 * @param maxy the maximum Y value
 */
private void paintSelectedValue(MeasureValue selectedValue, Graphics g, int width, int height, double maxx, double maxy) {
	FontMetrics metric = g.getFontMetrics();
	String x_str = simulationTimeFormat.format(selectedValue.getSimTime());
	String m_str = formatNumber(selectedValue.getMeanValue());
	String i_str = formatNumber(selectedValue.getLastIntervalAvgValue());
	
	Dimension bounds = composeVerticalBounds(g, metric, POPUP_FULL_X_PREFIX + x_str, POPUP_FULL_X_PREFIX + m_str, POPUP_FULL_X_PREFIX + i_str);
	int selectedValueX = getX(selectedValue.getSimTime());
	int textX = (int)(selectedValueX - bounds.getWidth() / 2);
	// Fix value out of chart for label
	if (textX < 2) {
		textX = 2;
	} else if (textX + bounds.getWidth() + POPUP_MARGIN > width) {
		textX = width - (int)bounds.getWidth() - POPUP_MARGIN;
	}
	int textY = getY(maxy / 2) + (int)bounds.getHeight() / 2;
	
	g.setColor(COLOR_POPUP);
	g.drawLine(selectedValueX, getY(0), selectedValueX, getY(selectedValue.getLastIntervalAvgValue()));
	g.setColor(COLOR_POPUP_BG);
	g.fillRoundRect(textX - POPUP_MARGIN, textY - (int)bounds.getHeight(), (int)bounds.getWidth() + POPUP_MARGIN * 2, (int)bounds.getHeight() + POPUP_MARGIN, 4, 4);	
	g.setColor(COLOR_POPUP);
	g.drawRoundRect(textX - POPUP_MARGIN, textY - (int)bounds.getHeight(), (int)bounds.getWidth() + POPUP_MARGIN * 2, (int)bounds.getHeight() + POPUP_MARGIN, 4, 4);
	
	// Draw squares
	Rectangle2D prefixBounds = metric.getStringBounds(POPUP_X_PREFIX, g);
	g.setColor(COLOR_DRAW);
	g.fillRect(textX, textY - (int)prefixBounds.getHeight() - bounds.height / 3, (int)prefixBounds.getWidth(), (int)prefixBounds.getHeight());
	g.setColor(COLOR_LAST_INTERVAL);
	g.fillRect(textX, textY - (int)prefixBounds.getHeight(), (int)prefixBounds.getWidth(), (int)prefixBounds.getHeight());
	
	// Draws texts
	g.setColor(COLOR_AXIS);
	g.drawString(POPUP_FULL_X_PREFIX + x_str, textX, textY - bounds.height * 2 / 3);
	g.drawString(POPUP_MIDDLE + m_str, textX + (int)prefixBounds.getWidth(), textY - bounds.height / 3);
	g.drawString(POPUP_MIDDLE + i_str, textX + (int)prefixBounds.getWidth(), textY);
}
 

import java.awt.FontMetrics; //导入方法依赖的package包/类
private Dimension composeVerticalBounds(Graphics g, FontMetrics metric, String...strings) {
	double xBounds = 0.0, yBounds = 0.0;
	for (int i=0; i<strings.length; i++) {
		Rectangle2D bounds = metric.getStringBounds(strings[i], g);
		if (xBounds < bounds.getWidth()) {
			xBounds = bounds.getWidth();
		}
		yBounds = yBounds + bounds.getHeight();
		if (i > 0) {
			yBounds = yBounds + POPUP_VSPACING;
		}
	}
	return new Dimension((int)xBounds, (int)yBounds);
}
 

import java.awt.FontMetrics; //导入方法依赖的package包/类
@Override
public Point getToolTipLocation(MouseEvent event) {
    final String txt = getToolTipText(event);
    if (txt != null) {
        FontMetrics fm = this.getFontMetrics(getFont());
        Rectangle2D r = fm.getStringBounds(txt, getGraphics());
        return new Point(event.getX() - (int)r.getWidth()/2, -22);
    }
    return null;
}
 

import java.awt.FontMetrics; //导入方法依赖的package包/类
protected BufferedImage generateFontImage(Font font, boolean antiAlias, boolean fractionalMetrics, CharData[] chars)
{
    int imgSize = (int) this.imgSize;
    BufferedImage bufferedImage = new BufferedImage(imgSize, imgSize, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = (Graphics2D) bufferedImage.getGraphics();
    g.setFont(font);
    g.setColor(new Color(255, 255, 255, 0));
    g.fillRect(0, 0, imgSize, imgSize);
    g.setColor(Color.WHITE);
    g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, fractionalMetrics ? RenderingHints.VALUE_FRACTIONALMETRICS_ON : RenderingHints.VALUE_FRACTIONALMETRICS_OFF);
    g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, antiAlias ? RenderingHints.VALUE_TEXT_ANTIALIAS_ON : RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, antiAlias ? RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF);
    FontMetrics fontMetrics = g.getFontMetrics();
    int charHeight = 0;
    int positionX = 0;
    int positionY = 1;

    for (int i = 0; i < chars.length; i++)
    {
        char ch = (char) i;
        CharData charData = new CharData();
        Rectangle2D dimensions = fontMetrics.getStringBounds(String.valueOf(ch), g);
        charData.width = (dimensions.getBounds().width + 8);
        charData.height = dimensions.getBounds().height;

        if (positionX + charData.width >= imgSize)
        {
            positionX = 0;
            positionY += charHeight;
            charHeight = 0;
        }

        if (charData.height > charHeight)
        {
            charHeight = charData.height;
        }

        charData.storedX = positionX;
        charData.storedY = positionY;

        if (charData.height > this.fontHeight)
        {
            this.fontHeight = charData.height;
        }

        chars[i] = charData;
        g.drawString(String.valueOf(ch), positionX + 2, positionY + fontMetrics.getAscent());
        positionX += charData.width;
    }

    return bufferedImage;
}